Husqvarna 240 User Manual
English – 21
5451546-93 Rev.4 2008-04-16
MAINTENANCE
Maintenance schedule
The following is a list of the maintenance that must be performed on the machine. Most of the items are described in the
Maintenance section.
Maintenance section.
Daily maintenance
(Every 5-10 h)
Weekly maintenance
(Every 10-25 h)
Monthly maintenance
(Every 25-40 h)
Clean the outside of the machine.
Check the starter, the starter cord and
the recoil spring.
the recoil spring.
Check the brake band on the chain
brake for wear. Replace when less
than 0.024 inch (0.6 mm) remains at
the most worn point.
brake for wear. Replace when less
than 0.024 inch (0.6 mm) remains at
the most worn point.
Check that the components of the
throttle control work safely. (Throttle
lockout and throttle control.)
throttle control work safely. (Throttle
lockout and throttle control.)
Check that the vibration damping
elements are not damaged.
elements are not damaged.
Check the clutch centre, clutch drum
and clutch spring for wear.
and clutch spring for wear.
Clean the chain brake and check that
it operates safely. Make sure that the
chain catcher is undamaged, and
replace it if necessary.
it operates safely. Make sure that the
chain catcher is undamaged, and
replace it if necessary.
File off any burrs from the edges of the
bar.
bar.
Clean the spark plug. Check that the
electrode gap is 0.020 inch (0.5 mm).
electrode gap is 0.020 inch (0.5 mm).
The bar should be turned daily for
more even wear. Check the lubrication
hole in the bar, to be sure it is not
clogged. Clean the bar groove. If the
bar has a sprocket tip, this should be
lubricated.
more even wear. Check the lubrication
hole in the bar, to be sure it is not
clogged. Clean the bar groove. If the
bar has a sprocket tip, this should be
lubricated.
Clean the carburetor compartment.
Clean the outside of the carburetor.
Check that the bar and chain are
getting sufficient oil.
getting sufficient oil.
Clean the air filter. Replace if
necessary.
necessary.
Check fuel hose for cracks or other
damage. Change if necessary.
damage. Change if necessary.
Check the saw chain with regard to
visible cracks in the rivets and links,
whether the saw chain is stiff or
whether the rivets and links are
abnormally worn. Replace if
necessary.
visible cracks in the rivets and links,
whether the saw chain is stiff or
whether the rivets and links are
abnormally worn. Replace if
necessary.
Empty the fuel tank and clean the
inside.
inside.
Sharpen the chain and check its
tension and condition. Check the drive
sprocket for excessive wear and
replace if necessary.
tension and condition. Check the drive
sprocket for excessive wear and
replace if necessary.
Empty the oil tank and clean the
inside.
inside.
Clean the starter units air intake.
Check all cables and connections.
Check that nuts and screws are tight.
Check that the stop switch works
correctly.
correctly.
Check that there are no fuel leaks from
the engine, tank or fuel lines.
the engine, tank or fuel lines.